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74450148100 = 2252977675273
BaseRepresentation
bin100010101010110010…
…0110001101100000100
321010011120002101102121
41011111210301230010
52204433214214400
654111341015324
75243641550236
oct1052544615404
9233146071377
1074450148100
1129635193219
1212519254544
1370363b8293
143863a66256
151e0b15321a
hex1155931b04

74450148100 has 36 divisors (see below), whose sum is σ = 163222376884. Its totient is φ = 29473044480.

The previous prime is 74450148089. The next prime is 74450148107. The reversal of 74450148100 is 184105447.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 186267904 + 74263880196 = 13648^2 + 272514^2 .

It is a super-2 number, since 2×744501481002 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74450148107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3827937 + ... + 3847336.

Almost surely, 274450148100 is an apocalyptic number.

It is an amenable number.

74450148100 is an abundant number, since it is smaller than the sum of its proper divisors (88772228784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74450148100 is a wasteful number, since it uses less digits than its factorization.

74450148100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675384 (or 7675377 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 74450148100 in words is "seventy-four billion, four hundred fifty million, one hundred forty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 97 100 194 388 485 970 1940 2425 4850 9700 7675273 15350546 30701092 38376365 76752730 153505460 191881825 383763650 744501481 767527300 1489002962 2978005924 3722507405 7445014810 14890029620 18612537025 37225074050 74450148100